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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Clear

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

5 Miles SE Denair CA

Red Flag Warning May 18, 07:49pm until May 18, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning May 18, 07:49pm until May 18, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Northwest wind around 5 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. North northwest wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming west northwest around 5 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Northwest wind around 5 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. Northwest wind around 5 mph.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 53. North northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 89. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 56. North northwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 93. Calm wind becoming west northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 95. Northwest wind around 5 mph.
Thursday Night
Clear, with a low around 58. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 95. Northwest wind around 5 mph.
Friday Night
Clear, with a low around 56. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 92. Northwest wind around 5 mph.
Saturday Night
Clear, with a low around 55. Northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 89. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Memorial Day
Sunny, with a high near 88. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Denair CA
 37.47°N 120.73°W (Elev. 157 ft)
Last Update:
6:56 pm PDT May 18, 2026
Forecast Valid:
7pm PDT May 18, 2026-6pm PDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation